381241489 has 4 divisors (see below), whose sum is σ = 382006000. Its totient is φ = 380476980.

The previous prime is 381241463. The next prime is 381241499. The reversal of 381241489 is 984142183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 984142183 = 19 ⋅51796957.

It is a cyclic number.

It is not a de Polignac number, because 381241489 - 2⁷ = 381241361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381241409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381507 + ... + 382504.

It is an arithmetic number, because the mean of its divisors is an integer number (95501500).

Almost surely, 2^381241489 is an apocalyptic number.

It is an amenable number.

381241489 is a deficient number, since it is larger than the sum of its proper divisors (764511).

381241489 is an equidigital number, since it uses as much as digits as its factorization.

381241489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764510.

The product of its digits is 55296, while the sum is 40.

The square root of 381241489 is about 19525.4062441733. The cubic root of 381241489 is about 725.1035850409.

The spelling of 381241489 in words is "three hundred eighty-one million, two hundred forty-one thousand, four hundred eighty-nine".